But he did not. He kept up the uneasy crawling, putting hundred-yard space after hundred-yard space between him and the fire, while, when he did glance back, it was after dropping flat behind some bush and raising his head till he could see the eland lying like a low hummock or patch of bush, and with the lion growing less distinct. On he went again, refreshed by the trifling rest, but far more by the fact that he was really getting more distant from the great danger. For it was in vain to try to assure himself that as the lion did not molest him before it had fed, it was far less likely to do so now. As he crawled onward, wishing he could progress like the baboons which haunted some of the stony kopjes in the neighbourhood, he tried to think how long it would be before he overtook the cob, and in spite of the danger and excitement he could not help smiling, for his position reminded him of one of the old problems at school about if A goes so many yards an hour and B so many, for twenty-four hours, how long will it be before B is overtaken by A? "A fellow can't do that without pen, ink, and paper," he said to himself. "It's too big a sum to do on sand, and, besides, I don't know how fast I am going, nor B for Breezy either. But oh, how hot I am!" At last he could bear it no longer; he was apparently getting no nearer the cob, but he certainly must be, he felt, sufficiently far from the lion to make it safe for him to rise and trot after the nag. He had his whistle, and if he could make Breezy hear, the horse would come to him. But he dared not use that yet; besides, he was too far away. At last he did rise, gazed timorously back, and then started onward at a steady trot--a means of progression which seemed quite restful after the painful crawl, and gaining spirit by the change, he went on with so good effect that he saw that he was certainly gaining on the cob. This infused fresh spirit within him, and congratulating himself on the fact that he must soon get within whistling distance, he had another glance back to see that eland and lion were an indistinct mass, or so it seemed for the moment. Then he turned cold again in spite of the heat, for there, moving slowly over the sand, about a quarter of a mile back, was a tawny, indistinct something which gradually grew clearer to his startled eyes, for unmistakably there was a lion stealthily stalking him, taking advantage of every tuft to approach unseen, and before many minutes had passed he felt that it would be within springing distance, and all would be over in spite of his almost superhuman toil. There was only one chance for him now, he felt, and that was to run his best. He did not pause to look, but began to run over the burning sand, his breath coming hot and thick; but he must go on, he knew, for at every affrighted glance behind, there was his enemy keeping up its stealthy approach, and the cob was still so far away. CHAPTER ELEVEN. BEING STALKED.